May weather forecastJohnson, VT
May
Weather in May
The last month of the spring, May, is a refreshing month in Johnson, Vermont, with an average temperature fluctuating between 64°F (17.8°C) and 43°F (6.1°C).Temperature
As Johnson welcomes May, there is a noticeable shift in the average high-temperature, escalating from April's frosty 48.2°F (9°C) to an enjoyable 64°F (17.8°C). An average low-temperature of 43°F (6.1°C) is observed during May nights in Johnson.Humidity
May is the least humid month, with an average relative humidity of 77%.Rainfall
In Johnson, Vermont, during May, the rain falls for 18.5 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, in Johnson, there are 167.6 rainfall days, and 33.31" (846mm) of precipitation is accumulated.Snowfall
Months with snowfall in Johnson are January through May, October through December. May is the last month it regularly snows in Johnson. During 0.8 snowfall days, in May, Johnson aggregates 0.83" (21mm) of snow. In Johnson, Vermont, during the entire year, snow falls for 102.9 days and aggregates up to 62.68" (1592mm) of snow.Daylight
In May, the average length of the day in Johnson is 14h and 50min.On the first day of May in Johnson, sunrise is at 5:39 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:28 pm EDT.
Sunshine
In Johnson, the average sunshine in May is 7.9h.UV index
In Johnson, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, the UV index of 4 transforms into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Johnson, VT
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in May: 43°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Johnson, VT
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Johnson, VT
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Johnson, VT
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in May
Johnson, VT
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in May
Johnson, VT
- Average rainfall days in May: 18.5 days
The months with the highest number of rainy days are June and July (18.6 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in May
Johnson, VT
- Average snowfall in May: 0.83"
The month with the highest snowfall is January (14.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Johnson, VT
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Johnson, VT
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 7h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in May
Johnson, VT
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in May
Johnson, VT
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Johnson, VT
- Average cloud cover in May: 50
The months with the most cloud cover are January and February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in May
Johnson, VT
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).





